sin

Calcula seno de la columna de entrada. Soporta Spark Connect.

Para obtener la función SQL de Databricks correspondiente, consulte sin function.

Syntax

from pyspark.sql import functions as dbf

dbf.sin(col=<col>)

Parámetros

Parámetro	Tipo	Description
col	pyspark.sql.Column or column name	columna de destino en la que se va a calcular.

Devoluciones

pyspark.sql.Column: seno del ángulo, como si se calculara por java.lang.Math.sin()

Examples

from pyspark.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (0.0), (PI() / 2), (PI() / 4) AS TAB(value)"
).select("*", dbf.sin("value")).show()

+------------------+------------------+
|             value|        SIN(value)|
+------------------+------------------+
|               0.0|               0.0|
|1.5707963267948...|               1.0|
|0.7853981633974...|0.7071067811865...|
+------------------+------------------+

from pyspark.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (FLOAT('NAN')), (NULL) AS TAB(value)"
).select("*", dbf.sin("value")).show()

+-----+----------+
|value|SIN(value)|
+-----+----------+
|  NaN|       NaN|
| NULL|      NULL|
+-----+----------+